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util/rsm.lua @ 11046:64713f21ff0e
util.dbuffer: Simplify test case
An earlier theory involved the bug being related to collapsing multiple
items, so it exercised that too.
Also correct the comment, it referred to the space in "hello world" in
an earlier version before the test string was changed to "foobar", which
was what was tested in a REPL
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 24 Aug 2020 17:28:48 +0200 |
parent | 10764:1fbfcc2f6805 |
child | 11426:c7948491c5e4 |
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-- Prosody IM -- Copyright (C) 2008-2017 Matthew Wild -- Copyright (C) 2008-2017 Waqas Hussain -- Copyright (C) 2011-2017 Kim Alvefur -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- -- XEP-0313: Message Archive Management for Prosody -- local stanza = require"util.stanza".stanza; local tonumber = tonumber; local s_format = string.format; local type = type; local pairs = pairs; local function inttostr(n) return s_format("%d", n); end local xmlns_rsm = 'http://jabber.org/protocol/rsm'; local element_parsers = {}; do local parsers = element_parsers; local function xs_int(st) return tonumber((st:get_text())); end local function xs_string(st) return st:get_text(); end parsers.after = xs_string; parsers.before = function(st) local text = st:get_text(); return text == "" or text; end; parsers.max = xs_int; parsers.index = xs_int; parsers.first = function(st) return { index = tonumber(st.attr.index); st:get_text() }; end; parsers.last = xs_string; parsers.count = xs_int; end local element_generators = setmetatable({ first = function(st, data) if type(data) == "table" then st:tag("first", { index = inttostr(data.index) }):text(data[1]):up(); else st:tag("first"):text(data):up(); end end; before = function(st, data) if data == true then st:tag("before"):up(); else st:tag("before"):text(data):up(); end end; max = function (st, data) st:tag("max"):text(inttostr(data)):up(); end; count = function (st, data) st:tag("count"):text(inttostr(data)):up(); end; }, { __index = function(_, name) return function(st, data) st:tag(name):text(data):up(); end end; }); local function parse(set) local rs = {}; for tag in set:childtags() do local name = tag.name; local parser = name and element_parsers[name]; if parser then rs[name] = parser(tag); end end return rs; end local function generate(t) local st = stanza("set", { xmlns = xmlns_rsm }); for k,v in pairs(t) do if element_parsers[k] then element_generators[k](st, v); end end return st; end local function get(st) local set = st:get_child("set", xmlns_rsm); if set and #set.tags > 0 then return parse(set); end end return { parse = parse, generate = generate, get = get };